期刊
PHYSICAL REVIEW B
卷 85, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.85.024416
关键词
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资金
- FCT in Portugal [PTDC/FIS/70843/2006]
- Polish Ministry of Science and Higher Education
- Fundação para a Ciência e a Tecnologia [PTDC/FIS/70843/2006] Funding Source: FCT
Current-induced spin transfer torque in relatively thick Neel domain walls in ferromagnetic metals/semiconductors is considered theoretically in the linear response regime. Using quasiclassical approximation and unitary transformation we calculate the nonequilibrium (current-induced) spin accumulation in the domain wall. The current-induced spin density is then used to determine adiabatic and nonadiabatic components of the spin transfer torque. The results show that the spin torque as well as its nonadiabaticity can be enhanced by spin-conserving momentum scattering processes inside the wall.
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